1715120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1973

約数の個数: 40

約数和(自身を含む): 4352400

約数和(自身を除く): 2637280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1949, 3898, 7796, 9745, 15592, 19490, 21439, 31184, 38980, 42878, 77960, 85756, 107195, 155920, 171512, 214390, 343024, 428780, 857560, 1715120]

約数ペア:

[(1, 1715120), (2, 857560), (4, 428780), (5, 343024), (8, 214390), (10, 171512), (11, 155920), (16, 107195), (20, 85756), (22, 77960), (40, 42878), (44, 38980), (55, 31184), (80, 21439), (88, 19490), (110, 15592), (176, 9745), (220, 7796), (440, 3898), (880, 1949)]